6" screen; With tachometer, water-thermometer, speedometer, HUD in one; Information displayed: running speed, instantaneous fuel consumption, engine temperature, battery voltage, gear shift note, speeding warn, buzz mark, metric & imperial unit conversion. Suitable for all OBD cars. Showing important data on the windshield glass can facilitate driving so that the driver doesn't have to look down on the dash board, which greatly decrease accidents. Font color by white translucent upgrades to font larger, automatic brightness adjustment, more clearly marked during the day, night not dazzling. Projected area larger, the projection display driver be clear at a glance and does not affect. To upgrade the radiator, can effectively reduce the HUD fever because of the job brings to the product of thermal injury. Circuit board comprehensive upgrade, the main optimization circuit software, such as projection light work more stable and more reliable in performance. Saving electricity protecting function, shutdown automatically cut off power supply, no loss of car battery power.